<template>
  <div style="border: 1px solid #ccc">
    <Toolbar
      style="border-bottom: 1px solid #ccc"
      :editor="editorRef"
      :defaultConfig="toolbarConfig"
      :mode="mode"
    />
    <Editor
      style="height: 500px; overflow-y: hidden"
      v-model="valueHtml"
      :defaultConfig="editorConfig"
      :mode="mode"
      @onCreated="handleCreated"
    />
  </div>
</template>
<script>
import "@wangeditor/editor/dist/css/style.css"; // 引入 css

import { onBeforeUnmount, ref, shallowRef, onMounted } from "vue";
import { Editor, Toolbar } from "@wangeditor/editor-for-vue";

export default {
  components: { Editor, Toolbar },
  props: {
    modelValue: {
      type: Object,
      default: () => {
        return "<p>hello</p>";
      },
    },
    isPreview: {
      type: Boolean,
      required: false,
    },
  },
  setup(props, context) {
    // 编辑器实例，必须用 shallowRef
    const editorRef = shallowRef();

    // 内容 HTML
    // const valueHtml = ref("<p>hello</p>");

    const valueHtml = computed({
      get() {
        return props.modelValue;
      },
      set(val) {
        emits("update:modelValue", val);
      },
    });

    // 模拟 ajax 异步获取内容
    onMounted(() => {
      setTimeout(() => {
        valueHtml.value = "<p>模拟 Ajax 异步设置内容</p>";
      }, 1500);
    });

    const toolbarConfig = {};
    const editorConfig = { placeholder: "请输入内容..." };

    // 组件销毁时，也及时销毁编辑器
    onBeforeUnmount(() => {
      const editor = editorRef.value;
      if (editor == null) return;
      editor.destroy();
    });

    const handleCreated = (editor) => {
      editorRef.value = editor; // 记录 editor 实例，重要！
    };

    return {
      editorRef,
      valueHtml,
      mode: "default", // 或 'simple'
      toolbarConfig,
      editorConfig,
      handleCreated,
    };
  },
};
</script>
